1672-58-8

NSC 60565 4-ForMaMidoantipyrine carboxamidoantipyrine 4-Formylaminoantipyrin N-AntipyrinylforMaMide Metamizole EP Impurity A N-(1,5-Dimethyl-3-oxo-2- Formamide, N-antipyrinyl- Metamizole impurity A CRS WLN: T5NNVJ A1 BR& DMVH E1 4-ForMylaMinoantipyrine FAA 4-Formylamino-1,5-dimethyl-2-phenyl MetaMizole IMpurity A (4-ForMylaMino Antipyrine) Metamizole EP Impurity A (4-Formylamino Antipyrine) N-(1,5-dimethyl-3-oxo-2-phenyl-4-pyrazolyl)formamide N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)formamide 4-Carboxamido-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one N-(3-keto-1,5-dimethyl-2-phenyl-pyrazol-4-yl)formamide N-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)methanamide Metamizole Sodium Impurity 1（Minocycline EP Impurity A） Metamizole Sodium Impurity 1（Metamizole Sodium EP Impurity A） 1,2-Dihydro-4-formylamino-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one 4-CARBOXAMIDO-1,2-DIHYDRO-1,5-DIMETHYL-2-PHENYL-3H-PYRAZOLE-3-ONE 1,5-Dimethyl-2-phenyl-4-(formylamino)-1,2-dihydro-3H-pyrazole-3-one N-(1,5-diMethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)forMaMide N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)formamide N-[1-(1-cyclohexa-1,3-dienyl)-2,3-dimethyl-5-oxo-4-pyrazolyl]formamide Formamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-